Don’t wait to take your printing to the next level. Turn your 4x1 Riley Hopkins® JR into a precision screen printing machine with the addition of these Riley Hopkins® JR. Micro Registration Add-Ons. Constructed with printers in mind, we make all Riley Hopkins® equipment with the same standards of efficiency and stability that have been counted on for decades by screen printers. These micro registration upgrades will allow you to achieve faster and more accurate registration on complex prints (like 4 color process). Cut your set-up time by half, giving you more time to do what you really want: screen print!